On 2024-12-07, Gioele Barabucci wrote: > the libraries and executables of many cmake-based packages gain extra > zero bytes in their .dynstr ELF section when rebuilt. (This accounts for > about 15% of the failed rebuilds.) > > From <https://reproduce.debian.net/api/v0/builds/105657/diffoscope>: > > ``` > ─ readelf --wide --decompress --hex-dump=.dynstr {} > @@ -1275,9 +1275,10 @@ > 0x00009388 00474c49 42435858 5f332e34 2e323100 .GLIBCXX_3.4.21. > 0x00009398 43585841 42495f31 2e330047 4c494243 CXXABI_1.3.GLIBC > 0x000093a8 58585f33 2e342e32 3000474c 49424358 XX_3.4.20.GLIBCX > 0x000093b8 585f332e 34000000 00000000 00000000 X_3.4........... > 0x000093c8 00000000 00000000 00000000 00000000 ................ > 0x000093d8 00000000 00000000 00000000 00000000 ................ > 0x000093e8 00000000 00000000 00000000 00000000 ................ > - 0x000093f8 00000000 0000 ...... > + 0x000093f8 00000000 00000000 00000000 00000000 ................ > + 0x00009408 00000000 000000 ....... > ``` > > Oddly, sometimes the number of zero bytes added is odd.
My hunch is that this might be a side-effect of building in the wrong build path, as mentioned in: https://bugs.debian.org/1089087 live well, vagrant
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